
        body{
            background-color: #F8F9FC;
        }
        .footer{
            margin-top: 100px;
            border-top: 1px solid rgb(167, 167, 167);
            }
        .footertext{
            text-align: center;
            font-size: 0.5em;
            line-height: 30px;
            padding-top: 30px;
            color: rgb(167, 167, 167);
            margin-bottom: 100px;
        }
        .nav{
        /* position: fixed; */
        margin: 10px;
        margin-top: 30px;
        }
        .upnav{
        margin-top: 50px;
        }
        .botnav{
        border-top: darkgray 1px solid;
        padding-top:20px ;
        padding-bottom:11px ;
        }
        input{
        border: 0ch;
        }
        .seacher{
        border: 1px rgb(104, 104, 104) solid;
        border-radius: 50px;
        background-color: white;
        width: 270px;
        height: 38px;
        }
        a{
        color: rgb(80, 80, 80);
        cursor: pointer;     /* 鼠标样式*/
        text-decoration:none;
        }

.majorHeader{
    padding: 20px;
    background-color: white;
    margin: 30px;
    border: rgb(228, 228, 228) solid 1px;
    border-radius: 15px;
}
.majorName{
    font-size: 2.7em;
    color: black;
    font-weight: 500;
}
.majorTag{
    border: solid 1px rgb(194, 218, 241);
    background-color: rgb(193, 221, 248);
    margin-left: 10px;
    border-radius: 15px;
    padding: 5px;
}
.nav{
    margin-left: 3px;
}